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Topband: 160m conditions - before and after solar peak

To: <topband@contesting.com>
Subject: Topband: 160m conditions - before and after solar peak
From: john.w1fv@telocity.com (John Kaufmann)
Date: Mon, 23 Sep 2002 07:59:38 -0700 (PDT)
On Mon, 23 September 2002, "John Kaufmann" wrote:

> 
> In comparing conditions before and after a solar cycle
> peak, I think it's worth looking at how the sunspot
> numbers build and decline around the peak.  If I look
> at charts of the last three cycles, it appears to my
> eyes that the buildup from the trough to the peak is
> more rapid than the decay in the opposite direction. 


I should mention a useful link here:
http://www.spaceweather.com/java/sunspot.html.

The sunspot plotter feature on this Web page allows you
to look at the sunspot numbers for 11 years at a time,
centered on any year that you select.  I think you'll
see the trend I mentioned above.

73, John W1FV

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